The book has been translated into thirty languages since it________on the market in 1973.

allowed to the new trading floor when it opened in 1973. But the "castle" had not been very

Buckingham University is and _____ university which was established<br/>in 1973. A: independent B: open C: old D: new

К1973практическивовсехпромышленноразвитыхстранахоказались6._______(исчерпанные)ресурсыкрупномасштабнойгидроэнергетики.

The Endangered Species Act (1973),

艾滋病于（）年在（）首次发现。 A: 1981；美国 B: 1973；欧洲 C: 1981；欧洲 D: 1973；美国

The Vietnam War started in ______ and ended in______. A: 1961, 1973 B: 1961, 1974 C: 1962, 1973 D: 1963, 1976

خاضَتْ مصر وسوريا الحرب عام 1973 لـ ___ أراضيهما التي احتلّتها إسرائل عام 1967. A: اِسْتَعَادَ B: اِسْتِعْدَادِ C: اِسْتِعادَةِ D: مُسْتِعادِ

When did President Nixon make a trip to China to improve relations with the People’s Republic of China？（ ） A: In 1970. B: In 1973. C: In 1972. D: In 1971.

以下著作文献的格式正确的是（ ）。 A: [1]竺可桢.物理学[M].北京:科学出版社,1973:56-60. B: [1]竺可桢.物理学[J].北京:科学出版社,1973:56-60． C: [1]竺可桢.物理学[M].北京:科学出版社,1973:56-60 D: [1]竺可桢.物理学[M].北京：科学出版社,1973:56-60．